Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements Activity Between Levels of the Fair Value Hierarchy (Details)

v2.4.0.8
Fair Value Measurements Activity Between Levels of the Fair Value Hierarchy (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Sep. 29, 2013
Sep. 30, 2012
Other Liabilities [Member]
   
Activity for Marketable Securities Classified Within Level 3 of the Valuation Hierarchy [Roll Forward]    
Beginning balance of Level 3   $ 7
Total realized and unrealized gains or losses:    
Included in investment income, net   (7)
Included in other comprehensive income   0
Purchases   0
Sales   0
Settlements   0
Transfers into Level 3   0
Ending balance of Level 3   0
Auction Rate Securities [Member]
   
Activity for Marketable Securities Classified Within Level 3 of the Valuation Hierarchy [Roll Forward]    
Beginning balance of Level 3 118 124
Total realized and unrealized gains or losses:    
Included in investment income, net 0 0
Included in other comprehensive income 1 0
Purchases 0 0
Sales 0 0
Settlements (36) (6)
Transfers into Level 3 0 0
Ending balance of Level 3 83 118
Mortgage and Asset-Backed Securities [Member]
   
Activity for Marketable Securities Classified Within Level 3 of the Valuation Hierarchy [Roll Forward]    
Beginning balance of Level 3 203 27
Total realized and unrealized gains or losses:    
Included in investment income, net 8 5
Included in other comprehensive income (6) 7
Purchases 163 149
Sales (70) 0
Settlements (77) (28)
Transfers into Level 3 18 43
Ending balance of Level 3 $ 239 $ 203